Hyundai Genesis (DH): Fuel Delivery System / High Pressure Fuel Pump Repair procedures

Removal
   
In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. Do not perform any repair work right after the engine stops.
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")
   
When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may turn up. Delete the code with the GDS after completion of

    Other information:

    Hyundai Genesis (DH) 2013-2016 Service Manual: Repair procedures

    Diagnosis With GDS 1. BSD system defects can be quickly diagnosed with the GDS. GDS operates actuator quickly to monitor, input/output value and self diagnosis. 2. Connect the cable of GDS to the data link connector in driver side crash pad lower panel, and turn on the GDS.

    Hyundai Genesis (DH) 2013-2016 Service Manual: Compressor Repair procedures

    Removal 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off. 2. Disconnect the negative (-) battery terminal. 3. Remove the engine room cover.

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